Astronomy current events question: Titan's liquid hydrocarbon flooded canyons

Astronomy 210L, fall semester 2016
Cuesta College, San Luis Obispo, CA

Students are assigned to read online articles on current astronomy events, and take a short current events quiz during the first 10 minutes of lab. (This motivates students to show up promptly to lab, as the time cut-off for the quiz is strictly enforced!)
Preston Dyches, "Cassini Finds Flooded Canyons on Titan" (August 10, 2016)
NASA's Cassini spacecraft used ___________ to reveal deep canyons flooded with liquid hydrocarbons on Saturn's moon, Titan.
(A) observations of cloud patterns.
(B) gravitational measurements.
(C) laser signaling.
(D) remote submersible probes.
(E) radar reflections.

Correct answer: (E)

Student responses
Sections 70178, 70186
(A) : 1 student
(B) : 3 students
(C) : 4 students
(D) : 3 students
(E) : 23 students

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